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6201988 = 2213412909
BaseRepresentation
bin10111101010001010000100
3102200002112021
4113222022010
53041430423
6340532524
7103500412
oct27521204
912602467
106201988
113556711
1220b1144
131391c20
14b762b2
1582795d
hex5ea284

6201988 has 24 divisors (see below), whose sum is σ = 11977560. Its totient is φ = 2791680.

The previous prime is 6201983. The next prime is 6202013. The reversal of 6201988 is 8891026.

It can be written as a sum of positive squares in 4 ways, for example, as 91204 + 6110784 = 302^2 + 2472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6201983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678 + ... + 3586.

It is an arithmetic number, because the mean of its divisors is an integer number (499065).

Almost surely, 26201988 is an apocalyptic number.

It is an amenable number.

6201988 is a deficient number, since it is larger than the sum of its proper divisors (5775572).

6201988 is a wasteful number, since it uses less digits than its factorization.

6201988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 6201988 is about 2490.3790876090. The cubic root of 6201988 is about 183.7286880430.

The spelling of 6201988 in words is "six million, two hundred one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 13 26 41 52 82 164 533 1066 2132 2909 5818 11636 37817 75634 119269 151268 238538 477076 1550497 3100994 6201988